WO2023280866A1 - Injektor und anordnung mit einem injektor - Google Patents
Injektor und anordnung mit einem injektor Download PDFInfo
- Publication number
- WO2023280866A1 WO2023280866A1 PCT/EP2022/068608 EP2022068608W WO2023280866A1 WO 2023280866 A1 WO2023280866 A1 WO 2023280866A1 EP 2022068608 W EP2022068608 W EP 2022068608W WO 2023280866 A1 WO2023280866 A1 WO 2023280866A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- injector
- nozzle needle
- chamber
- working medium
- pressure
- Prior art date
Links
- 238000002485 combustion reaction Methods 0.000 claims abstract description 56
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 239000000446 fuel Substances 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 8
- 150000001298 alcohols Chemical class 0.000 claims description 5
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 239000002283 diesel fuel Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- -1 ethanol or methanol Chemical class 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/04—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure using fluid, other than fuel, for injection-valve actuation
- F02M47/043—Fluid pressure acting on injection-valve in the period of non-injection to keep it closed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
- F02B43/10—Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02D19/0686—Injectors
- F02D19/0689—Injectors for in-cylinder direct injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0206—Non-hydrocarbon fuels, e.g. hydrogen, ammonia or carbon monoxide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0248—Injectors
- F02M21/0251—Details of actuators therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M43/00—Fuel-injection apparatus operating simultaneously on two or more fuels, or on a liquid fuel and another liquid, e.g. the other liquid being an anti-knock additive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
- F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/20—Closing valves mechanically, e.g. arrangements of springs or weights or permanent magnets; Damping of valve lift
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B2201/00—Fuels
- F02B2201/06—Dual fuel applications
- F02B2201/062—Liquid and liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B2201/00—Fuels
- F02B2201/06—Dual fuel applications
- F02B2201/064—Liquid and gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0639—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
- F02D19/0642—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions
- F02D19/0644—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions the gaseous fuel being hydrogen, ammonia or carbon monoxide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0639—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
- F02D19/0649—Liquid fuels having different boiling temperatures, volatilities, densities, viscosities, cetane or octane numbers
- F02D19/0652—Biofuels, e.g. plant oils
- F02D19/0655—Biofuels, e.g. plant oils at least one fuel being an alcohol, e.g. ethanol
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/95—Fuel injection apparatus operating on particular fuels, e.g. biodiesel, ethanol, mixed fuels
Definitions
- the invention relates to an injector for dispensing a pressurized working medium into a combustion chamber of an internal combustion engine.
- the invention relates to an injector for injecting alternative fuels such as ammonia or alcohols such as ethanol or methanol, the lifting movement of a nozzle needle being effected via a control medium that is different from the working medium.
- An injector having the features of the preamble of claim 1 is known from DE 102017217991 A1 of the applicant.
- the known injector is characterized by two pressure chambers that can be filled with different media and in which a nozzle needle is arranged such that it can be lifted.
- the two pressure chambers are separated from one another in a media-tight manner by bellows extending transversely to the longitudinal direction of the nozzle needle.
- the pressure chamber on the opposite side to the inlet openings of the injector can be filled with a control medium to influence the longitudinal movement of the nozzle needle, while the pressure chamber on the side facing the inlet openings can be filled with the working medium that can be released from the injector via the inlet openings. It is essential that in a state in which the two pressure chambers are not filled with pressurized media, no force acting in the closing direction of the nozzle needle and closing the inlet openings is generated on the nozzle needle.
- Another generic injector is known from the applicant's DE 102018211 510 A1. This injector also takes place in a state in which the control chamber is not affected by the (hydraulic) pressure of a Control medium is subjected to force, no force is applied to the nozzle needle in the direction of its position closing the inlet openings.
- the injector according to the invention for delivering a pressurized working medium into a combustion chamber of an internal combustion engine with the features of claim 1 has the advantage that it fills the pressure chamber with the working medium in a state in which the control chamber is not affected by the pressure of the Control medium is subjected to hydraulic force, seals against the combustion chamber by the nozzle needle being subjected to a force in its closed position.
- the injector according to the invention makes it possible to generate a relatively high closing force acting on the nozzle needle in the direction of the closed position.
- the injector is provided together with another injector for delivering or injecting working medium into a combustion chamber, with the injector according to the invention for example injecting ammonia or alcohols such as ethanol or methanol into the combustion chamber and the other injector is designed in particular for injecting diesel fuel.
- this means that the closing force that can be generated on the nozzle needle by at least one closing spring in the injector according to the invention is designed in such a way that it is at least as great as the combustion chamber pressure when the internal combustion engine is operated with another injector in order to close the nozzle needle in to hold their closed position.
- the nozzle needle with at least coupled to a closing spring, in particular arranged in contact with the at least one closing spring, wherein the at least one closing spring applies force to the nozzle needle in the direction of its closed position by spring force.
- the nozzle needle viewed in the direction of its longitudinal axis is between the pressure chamber for the working medium and the control chamber for the control medium is guided radially in a guide section of the injector housing, that the pressure of the control medium in the control chamber acts on a control surface arranged perpendicularly to the longitudinal axis of the nozzle needle, that the nozzle needle in its closed position forming a sealing seat on a wall section of the pressure chamber, and that the area of the nozzle needle in the area of the sealing seat corresponds to a maximum of 41% of the area in the area of the guide section and the area of the control surface corresponds to between 23% and 74% of the area in the area of the guide section.
- the nozzle needle has a pressure surface in the pressure chamber for the working medium, which is designed to act in the opening direction under the hydraulic pressure of the working medium generate force on the nozzle needle.
- Another particularly preferred constructional configuration of the injector provides that the nozzle needle in the control chamber has a section that is radially surrounded by a guide sleeve, and that the guide sleeve is subjected to a force by a first closing spring against a component that delimits the control chamber.
- a second closing spring provided for generating a relatively high closing force on the nozzle needle outside of the control chamber in one to arrange a separate spring space, the control space being sealed off from this other space (spring space) by the guide sleeve.
- the component on which the guide sleeve rests is a throttle plate.
- a second closing spring is arranged in a spring chamber that is separate from the low-pressure area, and that the second closing spring is designed to apply a greater force to the nozzle needle in the direction of its closed position than the first closing spring.
- the second closing spring makes it possible for the second closing spring to have almost any size or shape and geometry without the size of the control chamber having to be negatively influenced or increased as a result.
- a groove is formed which runs radially around the longitudinal axis of the nozzle needle and can be filled with a blocking medium .
- This blocking medium can, for example, be a blocking oil with a relatively high viscosity, so that mixing of the blocking medium with the working medium or the control medium is made more difficult.
- the invention includes an arrangement for dispensing working medium into the combustion chamber of an internal combustion engine with a first injector as described so far, and with a second injector, which is designed to inject a different working medium from the first injector into the combustion chamber, the combustion chamber pressure during operation of the internal combustion engine with the second injector is a maximum of about 350 bar.
- the arrangement is designed to deliver an alternative fuel such as ammonia or alcohols such as ethanol or methanol as the working medium for the first injector and diesel fuel for the second injector into the combustion chamber of the internal combustion engine.
- Fig. 1 shows a schematic representation of an arrangement of two injectors in the area of a combustion chamber of an internal combustion engine
- Fig. 2 an injector for dispensing a particularly liquid
- the first injector 10 is designed to inject a first working medium stored in a reservoir 12, in particular an alternative fuel such as ammonia or alcohols such as ethanol or methanol, into the combustion chamber 1, while the other injector 20 is designed to inject a second reservoir 14 stored second working medium, in particular diesel fuel in the combustion chamber 1 to inject.
- the two injectors 10, 20 can be operated together, in particular if the other injector 20 is used as an ignition source for igniting the working medium of the first injector 10.
- the first injector 10 can also be shut down if, for example, no first working medium is available. In this case, the internal combustion engine 2 is operated exclusively with the other, second injector 20 .
- the injector 10 shown in more detail in FIG. 2 has an injector housing 22 in which a recess 24 is formed which has a plurality of sections having different diameters.
- the injector housing 22 On the side facing the combustion chamber 1 , the injector housing 22 has a plurality of inlet openings 26 which are designed to blow the (gaseous) working medium into the combustion chamber 1 of the internal combustion engine 2 .
- the recess 24 forms a pressure chamber 28 on the side facing the inlet openings 26 , which can be connected to the pressurized working medium via a feed bore 30 .
- a nozzle needle 34 is arranged within the recess 24 in a lifting manner in the direction of a longitudinal axis 32 .
- a nozzle needle end 35 which is conical, sits in the region of a wall section 36 of the recess 24, forming a sealing seat 38 on the recess 24 in order to close the inlet openings 26 at least indirectly.
- the nozzle needle 34 also has sections with different diameters within the pressure chamber 28, such that a conical pressure surface 39 in the exemplary embodiment generates an opening force on the nozzle needle 34 that releases the inlet openings 26 when the pressure chamber 28 is subjected to hydraulic pressure by the working medium.
- the nozzle needle 34 is guided radially in a central region in a guide section 40 of the recess 24 .
- the nozzle needle 34 or the guide section 40 has a constant diameter D in the area of the guide section 40 .
- an annular groove 42 which runs radially around the longitudinal axis 32 and which can be filled via a feed channel 44 with a barrier medium in the form of a barrier oil or the like. If the injector 20 is designed as a diesel injector, the blocking medium or blocking oil can be taken from the fuel circuit of the injector 20, ie the blocking medium can then be diesel.
- the nozzle needle 34 protrudes with a section 45 reduced in diameter into a control chamber 46 which is also formed in the recess 24 .
- the control chamber 46 is connected via an inlet bore 48 to a reservoir 49 for a pressurized control medium, the control medium being a medium different from the working medium. Furthermore, the pressure in the control chamber 46 can be relieved via a drain hole 50 in a low-pressure area 52 .
- a valve 54 is used for this purpose, which in an open position allows the control medium to flow out of the control chamber 46 .
- the valve 54 can be actuated, for example, by means of a magnetic actuator.
- the control chamber 46 or the recess 24 is closed on the side opposite the inlet openings 26 by a throttle plate 55 in which an inlet throttle 56 for the inlet channel 44 and an outlet throttle 57 for the outlet bore 50 are formed. Furthermore, the throttle plate 55 has a through hole 58 concentric to the longitudinal axis 32 , which opens into a spring chamber 60 on the side opposite the control chamber 46 .
- the section 45 of the nozzle needle 34 acting as a guide section is radially surrounded by a guide sleeve 62, which serves to seal the through bore 58 in the direction of the spring chamber 60.
- the guide sleeve 62 which has a conical sealing edge 63 running radially around the longitudinal axis 32 on the side facing the throttle plate 55 , is subjected to a force in the direction of the throttle plate 55 by the spring force of a first closing spring 64 .
- the first closing spring 64 is supported on the nozzle needle 34 in the region of an annular control surface 65 running radially around the longitudinal axis 32 .
- the nozzle needle 34 passes through the through-bore 58 with a section 66 which is again reduced in diameter and which is designed in the region of the spring chamber 60 with a larger diameter in the manner of a plate.
- a second closing spring 68 is arranged in spring chamber 60, which is characterized in that it is supported against a component (not shown) of injector 10 that is fixed to the housing and acts on nozzle needle 34 in the direction of sealing seat 38 with a greater spring force than the spring force of first closing spring 64 .
- pressure chamber 28 is filled with working medium (gas) that is under high pressure.
- working medium gas
- the hydraulic pressure in the control chamber 46 is increased by closing the valve 54, which causes a hydraulic (additional) closing force in the direction of the closed position of the nozzle needle 34, the spring forces of the two closing springs 64 and 68, together with the hydraulic Closing force by the control medium in the control chamber 46 must be greater than the force acting on the nozzle needle 34 in the opening direction by the working medium located in the pressure chamber 28 on the pressure surface 39.
- nozzle needle 34 When injector 10 is not in operation, in particular when internal combustion engine 2 is being operated with liquid (petrol) fuel or working medium through second injector 20, nozzle needle 34 must be pressed against the combustion chamber pressure prevailing in combustion chamber 1, which is typically up to can be up to about 350 bar, remains in its closed position, which is made possible by the spring force of the two closing springs 64, 68.
- the area As of the nozzle needle 34 in the area of the sealing seat 38 is a maximum of 41% of the area A F in the area of the guide diameter of the nozzle needle 34 or the guide section 40, and the area Ast of section 66 at the level of control surface 65 corresponds to between 23% and 74% of area A F in the area of the guide diameter of nozzle needle 34 or guide section 40 .
- the injector 10 described so far can be altered or modified in many ways without departing from the spirit of the invention.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fuel-Injection Apparatus (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Botany (AREA)
- Biotechnology (AREA)
- Biodiversity & Conservation Biology (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22740862.2A EP4367380A1 (de) | 2021-07-05 | 2022-07-05 | Injektor und anordnung mit einem injektor |
JP2023579492A JP2024523548A (ja) | 2021-07-05 | 2022-07-05 | インジェクタ、およびインジェクタを有する機構 |
KR1020247003654A KR20240026518A (ko) | 2021-07-05 | 2022-07-05 | 인젝터 및 인젝터를 갖는 어셈블리 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102021206997.5A DE102021206997A1 (de) | 2021-07-05 | 2021-07-05 | Injektor und Anordnung mit einem Injektor |
DE102021206997.5 | 2021-07-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023280866A1 true WO2023280866A1 (de) | 2023-01-12 |
Family
ID=82492292
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2022/068608 WO2023280866A1 (de) | 2021-07-05 | 2022-07-05 | Injektor und anordnung mit einem injektor |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP4367380A1 (de) |
JP (1) | JP2024523548A (de) |
KR (1) | KR20240026518A (de) |
DE (1) | DE102021206997A1 (de) |
WO (1) | WO2023280866A1 (de) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5687693A (en) * | 1994-07-29 | 1997-11-18 | Caterpillar Inc. | Hydraulically-actuated fuel injector with direct control needle valve |
EP0826877A2 (de) * | 1996-08-30 | 1998-03-04 | Caterpillar Inc. | Elektro-hydraulisch betätigtes Kraftstoffeinspritzventil mit einer Düsennadel, die direkt angesteuert wird |
US6298826B1 (en) * | 1999-12-17 | 2001-10-09 | Caterpillar Inc. | Control valve with internal flow path and fuel injector using same |
US6749129B2 (en) * | 2002-07-31 | 2004-06-15 | Caterpillar Inc | Directly controlled fuel injector with sealing against fluid mixing |
RU2629852C1 (ru) * | 2015-03-20 | 2017-09-04 | МАН Дизель унд Турбо, филиал аф МАН Дизель унд Турбо СЕ, Тюскланд | Топливный клапан для впрыскивания жидкого топлива с низкой температурой воспламенения в камеру сгорания двухтактного двигателя внутреннего сгорания с турбонаддувом и самовоспламенением и система подачи топлива с низкой температурой воспламенения |
DE102017217991A1 (de) | 2017-10-10 | 2019-04-11 | Robert Bosch Gmbh | Injektor zum Dosieren eines Fluids unter hohem Druck und Verfahren zum Betreiben eines solchen Injektors |
DE102018211510A1 (de) | 2018-07-11 | 2020-01-16 | Robert Bosch Gmbh | Injektor zur Einspritzung eines Fluids unter hohem Druck |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH665453A5 (de) | 1985-01-11 | 1988-05-13 | Sulzer Ag | Zylinderdeckel fuer eine kolbenbrennkraftmaschine. |
US9422899B2 (en) | 2011-10-24 | 2016-08-23 | Caterpillar Inc. | Dual fuel injector with hydraulic lock seal and liquid leak purge strategy |
CN103670851B (zh) | 2013-11-28 | 2015-10-28 | 上海交通大学 | 适用于二甲醚燃料的双高压油管喷油器 |
US9856841B2 (en) | 2014-05-30 | 2018-01-02 | Avl Powertrain Engineering, Inc. | Fuel injector |
DE102017202933A1 (de) | 2017-02-23 | 2018-08-23 | Robert Bosch Gmbh | Brennstoffeinspritzventil zum Einspritzen eines gasförmigen und/oder flüssigen Brennstoffs |
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2021
- 2021-07-05 DE DE102021206997.5A patent/DE102021206997A1/de active Pending
-
2022
- 2022-07-05 KR KR1020247003654A patent/KR20240026518A/ko unknown
- 2022-07-05 JP JP2023579492A patent/JP2024523548A/ja active Pending
- 2022-07-05 WO PCT/EP2022/068608 patent/WO2023280866A1/de active Application Filing
- 2022-07-05 EP EP22740862.2A patent/EP4367380A1/de active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5687693A (en) * | 1994-07-29 | 1997-11-18 | Caterpillar Inc. | Hydraulically-actuated fuel injector with direct control needle valve |
EP0826877A2 (de) * | 1996-08-30 | 1998-03-04 | Caterpillar Inc. | Elektro-hydraulisch betätigtes Kraftstoffeinspritzventil mit einer Düsennadel, die direkt angesteuert wird |
US6298826B1 (en) * | 1999-12-17 | 2001-10-09 | Caterpillar Inc. | Control valve with internal flow path and fuel injector using same |
US6749129B2 (en) * | 2002-07-31 | 2004-06-15 | Caterpillar Inc | Directly controlled fuel injector with sealing against fluid mixing |
RU2629852C1 (ru) * | 2015-03-20 | 2017-09-04 | МАН Дизель унд Турбо, филиал аф МАН Дизель унд Турбо СЕ, Тюскланд | Топливный клапан для впрыскивания жидкого топлива с низкой температурой воспламенения в камеру сгорания двухтактного двигателя внутреннего сгорания с турбонаддувом и самовоспламенением и система подачи топлива с низкой температурой воспламенения |
DE102017217991A1 (de) | 2017-10-10 | 2019-04-11 | Robert Bosch Gmbh | Injektor zum Dosieren eines Fluids unter hohem Druck und Verfahren zum Betreiben eines solchen Injektors |
DE102018211510A1 (de) | 2018-07-11 | 2020-01-16 | Robert Bosch Gmbh | Injektor zur Einspritzung eines Fluids unter hohem Druck |
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EP4367380A1 (de) | 2024-05-15 |
DE102021206997A1 (de) | 2023-01-05 |
KR20240026518A (ko) | 2024-02-28 |
JP2024523548A (ja) | 2024-06-28 |
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